移动安装目录，支持根目录index.php访问，也可以像tp5一样只对外开放public一个目录

application/admin/controller/system/SystemAttachment.php

@@ -26,6 +26,10 @@ class SystemAttachment extends AuthController
         }
         //产品图片上传记录
         $fileInfo = $res->fileInfo->getinfo();
+        //入口是public需要替换图片路径
+        if(strpos(PUBILC_PATH,'public') == false){
+            $res->dir = str_replace('public/','',$res->dir);
+        }
         SystemAttachmentModel::attachmentAdd($res->fileInfo->getSaveName(),$fileInfo['size'],$fileInfo['type'],$res->dir,'',0);
         $info = array(
             "originalName" => $fileInfo['name'],